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Science - Physics

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Describing Motion: Velocity

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If you're studying motion and velocity, you've come to the right place. You can watch a free physics video to refresh your memory before a test, experiment with sophisticated online modeling tools, or just practice a few problems with a free worksheet.

Oscillations

Includes information on oscillations, simple harmonic motion, period, Hooke's Law, and energy with mass-spring systems. Many diagrams and equations.

Spark Notes

Trajectories

This site has tutorials on various trajectory problems. It includes interactive trajectory calculators.

Trajectories

Rotational Dynamics: Pulleys

This site provides a neat, concise, and lucid explanation of how to solve problems having to do with pulleys. It extends the simple explanation to include inertia; and, by extension, friction as well. Just substitute friction for inertia (Ia).

Physics Lab Online

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Science - Physics

Describing Motion: Velocity

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